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Django_kube/django_code/apps/cloudmanager/db_interaction.py
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pierre.geeraert 3ff4dd1fae
Gitea Actions Demo / Explore-Gitea-Actions (push) Successful in 4s
clean cloudmanager
2026-09-10 10:41:29 +01:00

164 lines
6.5 KiB
Python

#import psycopg2
from django.http import HttpResponse
from django.views.decorators.http import require_POST
from apps.kubernetes_connection import apps as kubernetes_connection
import datetime
from apps.cloudmanager import credentials
import os
def hello(request):
kubernetes_connection.echoHello();
return HttpResponse('<h1>Hello cmm !</h1>')
def DB_generation(host_in,port_in,user_in,password_in,db_in):
db = psycopg2.connect(host=host_in, port=port_in, user=user_in, password=password_in,database=db_in)
return db
@require_POST
def change_schedule(request):
# HTMX sends these via standard POST data
schedule_id = request.POST.get('schedule_id')
server_name = request.POST.get('server_name')
if not schedule_id or not server_name:
return HttpResponse("<span style='color: red;'>Missing parameters.</span>", status=400)
try:
# --- Your Core Logic Here ---
# e.g., Server.objects.filter(name=server_name).update(schedule_id=schedule_id)
print(f"Updating {server_name} to schedule profile {schedule_id}")
# Return a success message that will instantly inject into the server's status div
return HttpResponse("<span style='color: green;'>✓ Updated successfully!</span>")
except Exception as e:
return HttpResponse(f"<span style='color: red;'>Error: {str(e)}</span>", status=500)
def Launch_sql_query(sql,db):
# prepare a cursor object using cursor() method
cursor = db.cursor()
try:
# Execute the SQL command
cursor.execute(sql)
# Fetch all the rows in a list of lists.
results = cursor.fetchall()
result_machine = []
#result_machine_type = []
for row in results:
result_machine_type = []
namespace = row[0]
name = row[1]
replicas = row[2]
result_machine_type.append(namespace)
result_machine_type.append(name)
result_machine_type.append(replicas)
result_machine.append(result_machine_type)
return result_machine
except:
print ("Error: unable to fetch data")
#Return the day of the week as an integer, where Monday is 0 and Sunday is 6.
def Give_current_weekday():
days = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday','Saturday', 'Sunday']
weekday = days[datetime.datetime.today().weekday()]
return weekday
def Give_current_hour():
now = datetime.datetime.now()
return now.hour
def Check_server_supposed_XXX(generated_db_in,wanted_status,Wanted_hour,Wanted_day):
sql_in=""
if wanted_status == "up":
sql_in = "select machine.namespace, machine.name, machine.replicas from scenario_hour,machine ,scenario_day_of_week where state_at_" + str(Wanted_hour) + "='1' and state_" + str(Wanted_day) + "='1' and machine.hour_behaviour_id=scenario_hour.id_scenario and machine.day_behaviour_id=scenario_day_of_week.id_scenario;"
elif wanted_status == "down":
sql_in = "select machine.namespace, machine.name, machine.replicas from scenario_hour,machine ,scenario_day_of_week where not(state_at_" + str(Wanted_hour) + "='1' and state_" + str(Wanted_day) + "='1') and machine.hour_behaviour_id=scenario_hour.id_scenario and machine.day_behaviour_id=scenario_day_of_week.id_scenario;"
else:
print("error value")
print(sql_in)
return_value = Launch_sql_query(sql_in, generated_db_in)
return return_value
def Is_the_server_already_wanted_state(id_machine, wanted_state,instance_type):
#stopped/running
bool_result = ""
proxmox = function.proxmox_connection(credentials.proxmox.zeus.url_proxmox,credentials.proxmox.zeus.user,credentials.proxmox.zeus.password)
if str(function.check_state_mix(id_machine,wanted_state,proxmox,instance_type)) == str(wanted_state):
bool_result = True
else:
bool_result = False
return bool_result
def all_operations(request,wanted_state,list_machine):
for machine_target in list_machine:
print(machine_target[1])
info_to_display = ""
if wanted_state == "up":
kubernetes_connection.scale_up(request,namespace_name=machine_target[0],deploy_name=machine_target[1],replicas=machine_target[2]);
elif wanted_state == "down":
kubernetes_connection.scale_down(request,namespace_name=machine_target[0],deploy_name=machine_target[1]);
else:
print("Incorrect wanted state")
# if not(Is_the_server_already_wanted_state(machine_target[0], wanted_state,machine_target[1])):
# function.action(False,machine_target[0],operation_to_perform,machine_target[1])
# print(str(machine_target[0])+" is now "+str(wanted_state))
# elif Is_the_server_already_wanted_state(machine_target[0], wanted_state,machine_target[1]):
# info_to_display = "operation already performed for "+machine_target[2]
# print(info_to_display)
#return info_to_display
return ""
def main(request):
#get credentials from the env
db_host = os.environ.get('DB_HOST')
db_port = os.environ.get('DB_PORT')
db_user = os.environ.get('DB_USERNAME')
db_password = os.environ.get('DB_PASSWORD')
db_name = os.environ.get('CUSTOM_DB_DATABASE',os.environ.get('DB_DATABASE'))
generated_db = DB_generation(db_host, db_port, db_user, db_password,db_name)
##operation:
## Server(s) supposed to be UP
list_servers_up = Check_server_supposed_XXX(generated_db, "up", Give_current_hour(),Give_current_weekday())
print("------------------------------------------")
print("-----------------UP-----------------------")
print("------------------------------------------")
print(list_servers_up)
print(all_operations(request,"up", list_servers_up))
## Server(s) supposed to be DOWN
list_servers_down = Check_server_supposed_XXX(generated_db, "down", Give_current_hour(),Give_current_weekday())
print("------------------------------------------")
print("----------------DOWN----------------------")
print("------------------------------------------")
print(list_servers_down)
print(all_operations(request,"down",list_servers_down))
# disconnect from server
generated_db.close()
#print(Is_the_server_already_wanted_state(112, "stopped"))
return HttpResponse('<h1>CMM executed!</h1>')
"""
TO DO:
EXTRACT TYPE OF MACHINE
CREATE FUNCTION TO CHECK IF A MACHINE IS ALREADY DOWN OR NOT
ADD FIELD IN SQL WITH PROJECT AND PUT DESCRIPTION -> ATTACH MACHINE TO PROJECT
"""